public class DataTypeBoolean {
    public static void main(String[] args) {
        int a = 10 ;
        int b = 20 ;
        int c = 20 ;
        System.out.println(a>b);
        System.out.println(a<b);
        System.out.println(b==c);
        System.out.println(a>b&&a<b);
        System.out.println(a<b||a>b);
        //和c语言一样
        //java里面只有true和false不存在0和1
    }
}
